A flash mob dances with an actor dressed in an Oreo Cookie costume at a birthday party to celebrate the 100th anniversary of the Oreo cookie, March 6, 2012 in Los Angeles. The event marks the centennial of the popular cookie which was created 100 years ago at a Nabisco factory in New York City. less

A flash mob dances with an actor dressed in an Oreo Cookie costume at a birthday party to celebrate the 100th anniversary of the Oreo cookie, March 6, 2012 in Los Angeles. The event marks the centennial of the ... more

Hillary Scott, Dave Haywood, Charles Kelley of Lady Antebellum perform at Oreo Cookies 100th Birthday Celebration with a special performance by Lady Antebellum at The Grove on March 6, 2012 in Los Angeles.

Hillary Scott, Dave Haywood, Charles Kelley of Lady Antebellum perform at Oreo Cookies 100th Birthday Celebration with a special performance by Lady Antebellum at The Grove on March 6, 2012 in Los Angeles.

Hillary Scott, Dave Haywood, Charles Kelley of Lady Antebellum perform at Oreo Cookies 100th Birthday Celebration with a special performance by Lady Antebellum at The Grove on March 6, 2012 in Los Angeles.

Hillary Scott, Dave Haywood, Charles Kelley of Lady Antebellum perform at Oreo Cookies 100th Birthday Celebration with a special performance by Lady Antebellum at The Grove on March 6, 2012 in Los Angeles.